20006466 has 8 divisors (see below), whose sum is σ = 40012944. Its totient is φ = 6668820.

The previous prime is 20006431. The next prime is 20006489. The reversal of 20006466 is 66460002.

It is a sphenic number, since it is the product of 3 distinct primes.

20006466 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667200 + ... + 1667211.

It is an arithmetic number, because the mean of its divisors is an integer number (5001618).

Almost surely, 2^20006466 is an apocalyptic number.

20006466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20006466 is a wasteful number, since it uses less digits than its factorization.

20006466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334416.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20006466 is about 4472.8588173561. The cubic root of 20006466 is about 271.4710108815.

Adding to 20006466 its reverse (66460002), we get a palindrome (86466468).

The spelling of 20006466 in words is "twenty million, six thousand, four hundred sixty-six".